Karkinit, Karkinitski, Carcinites, or Karkinitsky Bay (Ukrainian: Каркінітська затока, Karkinits’ka zatoka; Russian: Каркинитский залив, Karkinitskiy zaliv) is a bay of the Black Sea that separates the northwestern Crimean Peninsula from the mainland Ukraine. It was named after the early Greek settlement of Kerkinitis (Κερκινίτης) on the Crimean coast in place of modern Yevpatoria. The northeastern tip of the Karkinitis Bay, by the Isthmus of Perekop, is known as the Perekop Bay or Gulf of Perekop. The bay contains the preserve Karkinits'ka Zatoka State Zakaznik.